550ml 304 Stainless Steel Insulated Flask with Straw Lid
550ml Vacuum Flask 304 Stainless Steel Insulated Water Bottle with Straw Lid
Description
FAQ
Frequently Asked Questions
A: The flask has a capacity of 550ml (approximately 18.6 oz). It is made of 304 stainless steel, which is food-grade, rust-resistant, and durable for everyday use.
A: The double-wall vacuum insulation typically keeps hot drinks hot for 6-12 hours and cold drinks cold for 12-24 hours, depending on the initial temperature and ambient conditions. For best results, preheat or pre-chill the flask before use.
A: Yes, the straw lid is included. The lid is designed to be leak-proof when properly closed, making it suitable for carrying in bags. However, for maximum spill resistance, ensure the straw is fully retracted and the lid is screwed tight.
A: It is not recommended to store carbonated drinks (like soda or sparkling water) as pressure buildup may cause leakage or lid damage. Dairy products (milk, yogurt drinks) should be consumed within a few hours to avoid bacterial growth due to the insulated environment.
A: Hand wash with warm soapy water and a soft sponge. Avoid abrasive cleaners or steel wool to prevent scratching. The straw lid can be disassembled for thorough cleaning; use a small bottle brush for the straw. Do not microwave or put in the dishwasher unless specified.
A: We offer a 30-day money-back guarantee for quality-related issues. The flask is covered by a one-year warranty against manufacturing defects (e.g., vacuum failure, lid cracks). Please contact our customer service with your order number for assistance.
A: Yes, we ship worldwide. Shipping costs and delivery times vary by destination. Standard shipping takes 10-20 business days. Expedited options are available at checkout. Free shipping may apply for orders over a certain amount, depending on your region.
A: Yes, customization is available for bulk orders (typically 50+ units). Options include laser engraving, screen printing, or custom-colored lids. Please contact our sales team with your design and quantity for a quote and lead time.
Packing Information
Packing Details
| Package Dimensions (L x W x H) | 24 cm x 7 cm x 7 cm |
| Single Package Weight | 2.0 kg |
| Packaging Type | Gift Box |
| Quantity per Carton | 12 pcs (estimated, based on standard export packing) |
| Carton Dimensions | Approx. 50 x 30 x 30 cm (depending on packing method) |
Usage Instructions & Precautions
How to Use and Maintain Your Flask
Preparation: For optimal temperature retention, preheat the flask with hot water (or pre-chill with cold water) for 1-2 minutes before filling.
Filling: Fill with desired beverage, leaving a small gap at the top to ensure proper sealing. Close the straw lid securely. For hot drinks, use caution when opening to avoid steam burns.
Cleaning: Hand wash thoroughly after each use. The straw lid can be disassembled (separate straw and lid components) for deep cleaning. Use a soft brush for the straw. Do not immerse the entire flask in water if the lid is not completely dry. Avoid abrasive cleaners.
Precautions:
- Do not microwave the flask or any part of the lid.
- Do not place in dishwasher (unless manufacturer explicitly states dishwashable).
- Do not store carbonated beverages or dairy products for extended periods.
- Avoid dropping or puncturing the vacuum seal.
- Keep out of reach of children when containing hot liquids.
Available Options
Available Colors
This flask is available in the following standard colors. Custom colors can also be ordered for bulk purchases.
- Red
- Grey
- Yellow
- Black
- White
Packaging & Delivery
-
Selling Units:
piece
-
Single package size:
24 x 7 x 7 cm
-
Single gross weight:
2000 g
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Quantity(piece) 1 - 300 >300 Est. Time(days) 9 To be negotiated
Quick Details
| Place of Origin | Zhejiang, China |
| Weight | 2000g (with packaging) |
| Style | Japandi |
| Material | 304 Stainless Steel (food-grade) |
| Capacity | 550ml (18.6 oz) |
| Color | Customized colors available (standard: Red, Grey, Yellow, Black, White) |
| Product Type | Outdoor Travel Cup |
| Features | Portable, Eco-Friendly, Large Capacity, Business Gift Ready |
| Shape | Handgrip |
| Application | Car, Office, Home Use, Outdoor, Gift, Hiking |
| drinkware type | Vacuum Flasks & Thermoses |
| applicable people | All |
| thermal insulation performance | Hot: 6-12 hours, Cold: 12-24 hours |
| Bottle Type | Vacuum Flask |
| occasion | Business Gifts |
| Type | Vacuum Insulated Flask |
| Boiling Water | Yes |
| Accessories | Straw Lid (leak-proof) |
| Packaging | Gift Box |
| Model No | HLB-550-2 |









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